54 lines
1.9 KiB
LLVM
54 lines
1.9 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt < %s -passes=licm -S | FileCheck %s
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; PR9634
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@g_58 = common global i32 0, align 4
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@g_116 = common global ptr null, align 8
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define void @f() {
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; CHECK-LABEL: define void @f() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[L_87_I:%.*]] = alloca [9 x i16], align 16
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; CHECK-NEXT: [[G_58_PROMOTED:%.*]] = load i32, ptr @g_58, align 4, !tbaa [[TBAA0:![0-9]+]]
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[TMP31:%.*]] = phi i32 [ [[G_58_PROMOTED]], [[ENTRY:%.*]] ], [ [[OR:%.*]], [[FOR_BODY]] ]
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; CHECK-NEXT: [[INC12:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
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; CHECK-NEXT: [[OR]] = or i32 [[TMP31]], 10
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; CHECK-NEXT: [[INC]] = add nsw i32 [[INC12]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[INC]], 4
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; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: [[OR_LCSSA:%.*]] = phi i32 [ [[OR]], [[FOR_BODY]] ]
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; CHECK-NEXT: store ptr @g_58, ptr @g_116, align 8, !tbaa [[TBAA4:![0-9]+]]
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; CHECK-NEXT: store i32 [[OR_LCSSA]], ptr @g_58, align 4, !tbaa [[TBAA0]]
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; CHECK-NEXT: ret void
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;
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entry:
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%l_87.i = alloca [9 x i16], align 16
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br label %for.body
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for.body: ; preds = %entry, %for.inc
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%inc12 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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store ptr @g_58, ptr @g_116, align 8, !tbaa !0
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%tmp2 = load ptr, ptr @g_116, align 8, !tbaa !0
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%tmp3 = load i32, ptr %tmp2, !tbaa !4
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%or = or i32 %tmp3, 10
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store i32 %or, ptr %tmp2, !tbaa !4
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%inc = add nsw i32 %inc12, 1
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%cmp = icmp slt i32 %inc, 4
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br i1 %cmp, label %for.body, label %for.end
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for.end: ; preds = %for.inc
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ret void
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}
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!0 = !{!5, !5, i64 0}
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!1 = !{!"omnipotent char", !2}
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!2 = !{!"Simple C/C++ TBAA"}
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!3 = !{!"short", !1}
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!4 = !{!6, !6, i64 0}
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!5 = !{!"any pointer", !1}
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!6 = !{!"int", !1}
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